Product Dimensions Research Articles

PENGARUH DIMENSI KUALITAS PRODUK TERHADAP KEPUTUSAN PEMBELIAN KARTU SELULER SIMPATI DI KOTA KENDARI

This study aims to determine both simultaneously and partially the effect of dimensions and product quality on the purchase of a simpathy cellular card in Kendari city. The population in this study is Kendari city residents who buy sympathy cards. Due to the infinite number of population, the determination of the sample used is accidental sampling. The data collection method in this study was to use a questionnaire. This study uses multiple linear regression analysis. The results showed that simultaneously and partially product quality and dimensions had a positive and significant effect on the purchase of a Simpati cellular card in the city of Kendari. That is, if the dimensions and quality of the product are good, it will tend to influence purchases

Responsible Business and Corporate Performance of Private Placements Firms

The purpose of this paper is to determine the impact of the quality of responsible business (RB) on the corporate performance (CP) of private placements firms (PPF) in Malaysia as a developing market. This study uses secondary data derived from the content analysis of the Datastream and annual reports of 145 sampled PPF listed on Bursa Malaysia for the period of 2008–2018 and employs the OLS and WLS regressions. The findings illustration that there is a positive and negative link between RB and its dimensions with CP. In particular, there is a negative and important link among the RB dimensions of employee and product with CP. Meanwhile, the general public and energy dimensions were found to have a positive and significant relationship with CP. This study tests the effect of the responsible business on the CP. Most studies on RB in Malaysia are conducted on public listed companies. To the researchers’ best knowledge, this study makes a significant contribution in terms of RB in PPF companies.

Mojokerto Marketplace Determinants of Product Reviews, Convenience, Trust, and Price on Purchase Decisions on Shoppe

Purpose: The goal of this study is to discover how the Shopee Mojokerto market's consumers make purchasing decisions in relation to product ratings, convenience, trust, and pricing.
 Design/methodology/approach: A good illustration of quantitative research is this. A purposive sampling technique was used to interview 100 respondents for this study's sample. The data analysis approach employs multiple linear regression analysis, t-tests, and F-tests. SPSS 21 is used to do the computations.
 Findings: The test results reveal that in the Shopee market in Mojokerto, convenience, trust, and price have a favorable and considerable influence on purchasing decisions, but product dimensions have minimal effect. The primary factor influencing Mojokerto Shopee purchases is easy.
 Paper type: Research paper

Covariant Lyapunov Vectors and Finite-Time Normal Modes for Geophysical Fluid Dynamical Systems

Dynamical vectors characterizing instability and applicable as ensemble perturbations for prediction with geophysical fluid dynamical models are analysed. The relationships between covariant Lyapunov vectors (CLVs), orthonormal Lyapunov vectors (OLVs), singular vectors (SVs), Floquet vectors and finite-time normal modes (FTNMs) are examined for periodic and aperiodic systems. In the phase-space of FTNM coefficients, SVs are shown to equate with unit norm FTNMs at critical times. In the long-time limit, when SVs approach OLVs, the Oseledec theorem and the relationships between OLVs and CLVs are used to connect CLVs to FTNMs in this phase-space. The covariant properties of both the CLVs, and the FTNMs, together with their phase-space independence, and the norm independence of global Lyapunov exponents and FTNM growth rates, are used to establish their asymptotic convergence. Conditions on the dynamical systems for the validity of these results, particularly ergodicity, boundedness and non-singular FTNM characteristic matrix and propagator, are documented. The findings are deduced for systems with nondegenerate OLVs, and, as well, with degenerate Lyapunov spectrum as is the rule in the presence of waves such as Rossby waves. Efficient numerical methods for the calculation of leading CLVs are proposed. Norm independent finite-time versions of the Kolmogorov-Sinai entropy production and Kaplan-Yorke dimension are presented.

Industry 4.0 Implementation Projects: The Cleaner Production Strategy—A Literature Review

The industrial impacts on the environment need to be minimized to reduce climate change, which will benefit human beings. Industry 4.0, the new production paradigm, promises productivity gains for companies that manage to implement it, but it is also dependent on natural resources, impacting the environment. The aim of this study is to identify and analyze possible cleaner production strategies associated with Industry 4.0 to optimize manufacturing systems in Industry 4.0 implementation projects, in addition to reducing the environmental impacts of these companies. Through a literature search, cleaner production strategies associated with Industry 4.0 were identified and classified into ten dimensions (strategy, waste, recycling, life cycle, resources, energy, production, work, performance and environment) contributing to the theory. The possibilities of using Industry 4.0 technologies were analyzed to meet each dimension. The relevance of this study lies in presenting possibilities for using and developing technologies and applications to meet these dimensions of cleaner production and helping those involved in Industry 4.0 projects to implement it more stably, contributing to the theory and practice.

Sustainability of food security in different cacao production systems: A land, labour, energy and food quality nexus approach

The present work analyses the sustainability of food security in cacao monocultures and agroforestry systems under organic and conventional management. Using a novel approach, we developed indicators to assess crucial dimensions of food security, including land and labour productivity, the nutritional quality of food, and their nexus with energy efficiency and consumption. Our ten-year data showed that monocultures, especially conventional ones, are more productive (in terms of land and labour) when only the main crop (cacao) is considered and energy consumption is not assessed. When all the crops produced and the demand for non-renewable energy are included, agroforestry systems are more productive (kg, kcal, proteins and fats and nutritional quality index) and more energy efficient than monocultures according to all the indicators analysed. Therefore, encouraging policies that take into consideration the positive externalities of agroforestry and organic management is crucial for the sustainability of food systems.

Introducing randomness into univariate control chart sampling strategies for enhancing security against cyber‐physical attacks in production systems

AbstractWith recent technological advancements, production systems have become more susceptible to cyber‐physical attacks. Such attacks can be intelligently designed to both alter product dimensions and avoid detection by current Quality Control (QC) tools. The objective of this work is to assess the performance of random sampling strategies for control charting in detecting cyber‐physical attacks. More specifically, the methodology adopts traditional random sampling approaches used for inspection and applies them to univariate control charts. Different random sampling strategies are discussed and their performances under varying attack scenarios are evaluated. In addition, new control chart performance metrics were developed for a more in‐depth analysis, to guide practitioners in assessing how well these control charts increase their robustness to cyber‐physical attacks.

“Decolonisation” and “Africanisation” of Knowledge: Politico-Ideological or Educational Concepts?

This paper argues that decolonisation and Africanisation of the curriculum are problematic concepts that appeal more to political sentiments than present an academic discourse. First, the concept of decolonisation is used in a narrow sense relating only to the effects of the post- Berlin Conference of 1884 and similar forms of subjection of indigenous peoples to foreign domination and excludes other forms of colonisation, the subjugation of the other, which manifests in elite, class, gender and other forms of segmental colonisation. Secondly, the simultaneous use of decolonisation and Africanisation as transformation is inappropriate because the two do not lead to the same result. Besides adopting a narrow conception of decolonisation, Africanisation of the curriculum is just as chauvinistic in practice as colonisation itself; and also fails to distinguish between the normative and epistemic dimensions of knowledge production. While not denying the role of the sociology of knowledge in epistemology, the paper maintains that one cannot decolonise or Africanise the curriculum and still retain both the colonial framework and the substantive structure. That would be simply engaging in semantics and not in substance. The paper further maintains that scholarship and knowledge production are universal practices; and Africa has made serious contributions to knowledge and scholarship outside of the discourse of decolonisation and Africanisation. Therefore, while both concepts might appeal to sentiment, practically they are unimaginable. A more appropriate conceptualisation would be “internationalisation and advancing Africa’s contribution to the global movement for change in the academy, and by extension in the curriculum.”

Preparation and characterization of cellulose nanocrystals from corncob via ionic liquid [Bmim][HSO4] hydrolysis: effects of major process conditions on dimensions of the product.

In this study, cellulose nanocrystals were prepared via the hydrolysis of corncob (CC) biomass using Brønsted acid ionic liquid 1-butyl-3-methylimidazolium hydrogen sulfate [Bmim][HSO4]. The corncob was subjected to alkaline pretreatment, and was then hydrolysed by [Bmim][HSO4], which acted as both solvent and catalyst. The effects of process conditions, including mass percent of CC (1.0-10.0%), reaction temperature (46-110 °C), and reaction time (1.2-2.8 h) on the size of cellulose nanocrystals (IL-CCCNC) were investigated by response surface methodology-central composite design. The obtained IL-CCCNC was characterized by Fourier transforms infrared spectroscopy, zeta sizer, scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and thermogravimetry. The results showed that the dimensions of the nanocellulose products were affected by the mass percent of CC and the reaction temperature, but were not significantly influenced by the reaction time under the studied conditions. The optimal conditions, estimated by the developed model, were a mass percent of 2.49%, reaction temperature of 100 °C, and reaction time of 1.5 h. The process successfully produced IL-CCCNC with a yield of 40.13%, average size of 166 nm, and crystallinity index (CrI) of 62.5%. The morphology, chemical fingerprints, and thermal properties of the obtained IL-CCCNC were comparable to those extracted by alkaline and acid hydrolysis. After the reaction, [Bmim][HSO4] could be recovered with a yield of 88.32%, making it a viable green catalyst for the hydrolysis of CC cellulose. The findings are of direct industrial relevance as optimal processes can be developed to produce nanocellulose crystals with desirable size and physicochemical characteristics.

Local multiset dimension of comb product of tree graphs

<abstract> <p>Resolving set has several applications in the fields of science, engineering, and computer science. One application of the resolving set problem includes navigation robots, chemical structures, and supply chain management. Suppose the set $ W = \left\{{s}_{1}, {s}_{2}, \dots , {s}_{k}\right\}\subset V\left(G\right) $, the vertex representations of $ x\in V\left(G\right) $ is $ {r}_{m}\left(x\right|W) = \{d(x, {s}_{1}), d(x, {s}_{2}), \dots , d(x, {s}_{k})\} $, where $ d(x, {s}_{i}) $ is the length of the shortest path of the vertex $ x $ and the vertex in $ W $ together with their multiplicity. The set $ W $ is called a local $ m $-resolving set of graphs $ G $ if $ {r}_{m}\left(v|W\right)\ne {r}_{m}\left(u\right|W) $ for $ uv\in E\left(G\right) $. The local $ m $-resolving set having minimum cardinality is called the local multiset basis and its cardinality is called the local multiset dimension of $ G $, denoted by $ m{d}_{l}\left(G\right) $. In our paper, we determined the bounds of the local multiset dimension of the comb product of tree graphs.</p> </abstract>

Unification of assemblies and units of sophistic technical complexes and systems

Unification means homogeneity based on a rational reduction in the number of types, types, and dimensions of products) of the same functional purpose. In the standards, standardisation is reflected in the size series, from which the main technical characteristics and rational parameters are derived. In the existing literature, there are different interpretations of the concept of unification of machines, products, parts; the available formulations are not contradictory, but are not exhaustive, as they do not cover the full range of tasks solved by unification. A prerequisite for unification is the development and approval of a prospective series of types and dimensions of products of similar purpose. The prospective size range of similar products should be considered approved only if it is included in the current standard.

Влияние браслетной пружины на контактную нагрузку в соединении «Вал-манжета»

Reinforced rubber seals are used in bearing assemblies. Their reliable operation is ensured by pressing the working edge of the seal to the shaft. The contact load in the connection is affected by the force generated by the band spring. The presented method is used to determine the specific contact load of the working edge of the seal on the shaft offered by the bracelet spring, depending on the parameters of the seals and springs. To check the adequacy of the methodology, the authors studied a batch of reinforced seals 1.1‑45×65‑1 GOST 8752‑79 in the amount of 25 pcs. Theoretical calculations of the contact force from the action of the spring were 2.64 to 3.804 N, specific contact loads – 0.098 to 0.153 N/mm, and according to experimental data – 2.75 to 3.50 N and 0.102 to 0.141 N/mm, respectively. High convergence confirms the correctness of the presented calculated dependencies. It has been established that the parameters of the seals have a large spread, which hampers accurate calculation of the specific load in the “shaft-seal” connection. To increase the accuracy of readings, it is necessary to reduce the tolerances on the dimensions of rubber products.

The doubly metric dimension of corona product graphs

The doubly metric dimension of a connected graph G is the minimum cardinality of doubly resolving sets in it. It is well known that deciding the doubly metric dimension of G is NP-complete. The corona product G ? H of two vertex-disjoint graphs G and H is defined as the graph obtained from G and H by taking one copy of G and |V(G)| copies of H, then joining the ith vertex of G to every vertex in the ith copy of H. In this paper some formulae on the doubly metric dimension of corona product G?H of graphs G and H are established in terms of the order of G with the adjacency dimension of H and the doubly metric dimension of K1 ? H, respectively. We determine both sharp upper and lower bounds on doubly metric dimension of corona product graphs with disconnected and connected coronas involved, respectively, and characterize the corresponding extremal graphs. We also characterize all graphs G of diameter two with doubly metric dimension two. Furthermore, the exact values are obtained for the doubly metric dimensions of corona product graphs, being the corona either a path or a cycle.

About Governance, Production, and Territorial Dimensions of Farm Competitiveness – The Case of Bulgaria

About Governance, Production, and Territorial Dimensions of Farm Competitiveness – The Case of Bulgaria

Avaliação multidimensional do desempenho de uma amostra de fazendas de pecuária do Pantanal sob a ótica de modelos de análise envoltória de dados

ABSTRACT: Beef cattle ranching is the main economic activity in the Brazilian Pantanal, undertaken in an extensive manner, mostly in natural environments and dynamic in space and time. The ongoing monitoring, assessment, and performance improvement are key aspects of the search for sustainable use of natural resources in beef cattle ranches, as these ranches are the management units in the Pantanal. In this paper we proposed a data envelopment analysis (DEA) approach to assess the performance of fourteen beef cattle ranches in the Pantanal wetland as a case study, considering financial, productive, and environmental sustainability dimensions. We modeled each dimension separately and calculated an overall performance score. We also fit fractional regression models to study the influence of potential covariates on the performance scores. The methodological approach proposed here proved to be adequate for the case study, as the results are in line with the expectations of decision-makers regarding the performance of the ranches. The overall performance analysis was influenced by the proportion of higher quality native forage resources, which depends on the dynamics and on the spatial-temporal variation of the landscapes. Therefore, overall performance requires adaptive management of ranches based on diversity conservation, which benefits the multifunctionality of products and services.

FRACTAL DIMENSION OF PRODUCT OF CONTINUOUS FUNCTIONS WITH BOX DIMENSION

This paper investigates fractal dimension of product of continuous functions with Box dimension on [Formula: see text]. For two continuous functions with different Box dimensions, the Box dimension of their product has been proved to be the larger one. Furthermore, the Box dimension of product of two continuous functions with the same Box dimension may not exist. Definitions of regular fractal and local fractal functions have been given. Product of a regular fractal function and a local fractal function with the same Box dimension must still be the original Box dimension.

From High Heroism to Abject Abyss: Ethical Aspects of Highly Aestheticised and Critical Videogames

Videogames have become the leading medium in our globalised cultural industries following the postmodern ludic turn and shift towards simulation as the central mode of meaning-making. Subject to public controversies and media panics, like all new media before them, questions of morality and ethics inevitably become pertinent in any attempt to define videogames, their effects on and place in our societies. This paper provides a survey of the dimensions of production-, player-, designer-, and game ethics applied to the medium of videogames, offering a multitude of jumping-off points for further debates. The roles of both players and designers in the realisation of various system dynamics and play experiences are critically considered, and a practical framework for the analysis of morality systems in (video-)games established. Finally, fours pertinent games, Deus Ex: Human Revolution (2011), Dishonored (2012), Dragon Age: Inquisition (2014), and Firewatch (2016), are introduced as examples for a deconstructive approach to individual heroism, a systemic ethical perspective, a discussion of personal and collective responsibility, as well as the acknowledgment of the limits of human agency respectively. Resulting from these deliberations, an argument is finally made for a necessary increase in affective game design strategies and practices to realise the unparalleled potential of (video-)games as virtual learning spaces for ethical reflection and moral action.

Design of Performance Indicators in Warehouse Management

To maintain the continuity of product flow in the supply chain system, good warehouse management is needed. Dynamic market conditions are able to cause instability in the product flow. Moreover, there are many disruptions occur as technology continues to develop in Indonesia. This instability will indirectly affect the warehouse performance in a company. So, to minimize the effects of instability, it is necessary to design indicators that are used as a reference for designing mitigation strategies and as a controlling tool so that the company's growth is relevant to the objectives that have been created. In addition, these indicators can be used as a benchmark to improve the warehouse regularly. So, this research aims to design performance indicators in warehouse management that can be used as a measurement reference to increase warehouse productivity. The result showed that there are 17 validated indicators which are categorized into 5 dimensions. These dimensions are 4 cost dimension indicators, 4 productivity dimension indicators, 3 quality dimension indicators, 4 time dimension indicators, and 2 utilization dimension indicators.

Spatial Reconstruction and Cultural Practice of Linear Cultural Heritage: A Case Study of Meiguan Historical Trail, Guangdong, China

Linear cultural heritage is a unique and emerging type of large-scale heritage primarily located in rural areas. Despite the fact that much literature has concentrated on the importance of heritage to rural revitalization and development in Western countries, linear cultural heritage production has remained largely absent from accounts of rural studies in the context of China. This article aims to address this neglect by examining the spatial reconstruction process of the Meiguan Historical Trail. Based on the theory of the production of space, this article reveals the cultural practice of local ruling elites in mobilizing linear cultural heritage to promote regional competitiveness and how ordinary people question the official space reconstruction policy. The article finds that residents are obedient to government’s efforts, while tourists are suspicious of the superficial cultural restoration. The findings further deepen the understanding of linear cultural heritage production as a rural development location policy. In addition, as an important dynamic force, culture participates in the spatial production of linear cultural heritage, which enriches the cultural dimension of spatial production to a certain extent. The findings offer theoretical direction and policy recommendations for the development and sustainability of linear cultural heritage worldwide.

Key Dimensions for economic growth of small coffee farmers in Tocache, Peru

In Peru, a key export product is coffee, in particular its Arabica variant. The production areas are located in the high jungle, between 800 meters above sea level and 1,900 meters above sea level. About 60 million wages are generated each year, including those that come from the services of trade and transport of the product. Almost 150,000 families of small farmers have coffee as their livelihood. The research aims to analyze the collective, community and economic situation of small coffee farmers in the district of Tocache in San Martin and determine if the dimensions of associativity, productivity and marketing affect their economic growth. This research was based on a non-experimental, correlational, cross-sectional study and used instruments such as questionnaires and the compilation of data and references through secondary sources. The study population consisted of 200 small coffee farmers scattered throughout the district, who own less than 10 hectares of farmland. As a result of the investigation, it was determined that there is a relationship between associativity, productivity and marketing as dimensions of administrative management of small coffee farmers in the Tocache district that positively affect the economic growth of their community.